{"id":10345,"date":"2015-08-27T07:59:44","date_gmt":"2015-08-27T11:59:44","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=10345"},"modified":"2015-08-24T09:07:25","modified_gmt":"2015-08-24T13:07:25","slug":"handling-events","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=10345","title":{"rendered":"Handling Events"},"content":{"rendered":"<pre>***********************************\u00a0\u00a0 \u00a0\r\n* ActionExample1.java Inherits from CloseableFrame.java and uses SetSizeButton.java.\r\n\u00a0\u00a0\u00a0 * ActionExample2.java Inherits from CloseableFrame.java.\r\n\u00a0\u00a0\u00a0 **********************************************************\r\nActionExample1.java\r\n*******************\r\nimport java.awt.*;\r\n\r\npublic class ActionExample1 extends CloseableFrame {\r\n\u00a0 public static void main(String[] args) {\r\n\u00a0\u00a0\u00a0 new ActionExample1();\r\n\u00a0 }\r\n\r\n\u00a0 public ActionExample1() {\r\n\u00a0\u00a0\u00a0 super(\"Handling Events in Component\");\r\n\u00a0\u00a0\u00a0 setLayout(new FlowLayout());\r\n\u00a0\u00a0\u00a0 setFont(new Font(\"Serif\", Font.BOLD, 18));\r\n\u00a0\u00a0\u00a0 add(new SetSizeButton(300, 200));\r\n\u00a0\u00a0\u00a0 add(new SetSizeButton(400, 300));\r\n\u00a0\u00a0\u00a0 add(new SetSizeButton(500, 400));\r\n\u00a0\u00a0\u00a0 setSize(400, 300);\r\n\u00a0\u00a0\u00a0 setVisible(true);\r\n\u00a0 }\r\n}\r\n********************\r\nCloseableFrame.java \r\n********************\r\nimport java.awt.*;\r\nimport java.awt.event.*;\r\n\r\n\/** A Frame that you can actually quit. Used as the starting \r\n\u00a0*\u00a0 point for most Java 1.1 graphical applications.\r\n\u00a0***********************\r\n\r\npublic class CloseableFrame extends Frame {\r\n\u00a0 public CloseableFrame(String title) {\r\n\u00a0\u00a0\u00a0 super(title);\r\n\u00a0\u00a0\u00a0 enableEvents(AWTEvent.WINDOW_EVENT_MASK);\r\n\u00a0 }\r\n\r\n\u00a0 \/** Since we are doing something permanent, we need\r\n\u00a0\u00a0 *\u00a0 to call super.processWindowEvent first.\r\n\u00a0\u00a0 *\/\r\n\u00a0 \r\n\u00a0 public void processWindowEvent(WindowEvent event) {\r\n\u00a0\u00a0\u00a0 super.processWindowEvent(event); \/\/ Handle listeners.\r\n\u00a0\u00a0\u00a0 if (event.getID() == WindowEvent.WINDOW_CLOSING) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ If the frame is used in an applet, use dispose().\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.exit(0);\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0 }\r\n}\r\n**********************\r\nSetSizeButton.java\r\n**********************\r\nimport java.awt.*;\r\nimport java.awt.event.*;\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\npublic class SetSizeButton extends Button \r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 implements ActionListener {\r\n\u00a0 private int width, height;\r\n\r\n\u00a0 public SetSizeButton(int width, int height) {\r\n\u00a0\u00a0\u00a0 super(\"Resize to \" + width + \"x\" + height);\r\n\u00a0\u00a0\u00a0 this.width = width;\r\n\u00a0\u00a0\u00a0 this.height = height;\r\n\u00a0\u00a0\u00a0 addActionListener(this);\r\n\u00a0 }\r\n\r\n\u00a0 public void actionPerformed(ActionEvent event) {\r\n\u00a0\u00a0\u00a0 getParent().setSize(width, height);\r\n\u00a0\u00a0\u00a0 getParent().invalidate();\r\n\u00a0\u00a0\u00a0 getParent().validate();\r\n\u00a0 }\r\n}\r\n***********************\r\nActionExample2.java\r\n***********************\r\nimport java.awt.*;\r\nimport java.awt.event.*;\r\n\r\n\/***********\/\r\npublic class ActionExample2 extends CloseableFrame\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 implements ActionListener {\r\n\u00a0 public static void main(String[] args) {\r\n\u00a0\u00a0\u00a0 new ActionExample2();\r\n\u00a0 }\r\n\r\n\u00a0 private Button button1, button2, button3;\r\n\r\n\u00a0 public ActionExample2() {\r\n\u00a0\u00a0\u00a0 super(\"Handling Events in Other Object\");\r\n\u00a0\u00a0\u00a0 setLayout(new FlowLayout());\r\n\u00a0\u00a0\u00a0 setFont(new Font(\"Serif\", Font.BOLD, 18));\r\n\u00a0\u00a0\u00a0 button1 = new Button(\"Resize to 300x200\");\r\n\u00a0\u00a0\u00a0 button2 = new Button(\"Resize to 400x300\");\r\n\u00a0\u00a0\u00a0 button3 = new Button(\"Resize to 500x400\");\r\n\u00a0\u00a0\u00a0 button1.addActionListener(this);\r\n\u00a0\u00a0\u00a0 button2.addActionListener(this);\r\n\u00a0\u00a0\u00a0 button3.addActionListener(this);\r\n\u00a0\u00a0\u00a0 add(button1);\r\n\u00a0\u00a0\u00a0 add(button2);\r\n\u00a0\u00a0\u00a0 add(button3);\r\n\u00a0\u00a0\u00a0 setSize(400, 300);\r\n\u00a0\u00a0\u00a0 setVisible(true);\r\n\u00a0 }\r\n\r\n\u00a0 public void actionPerformed(ActionEvent event) {\r\n\u00a0\u00a0\u00a0 if (event.getSource() == button1) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 updateLayout(300, 200);\r\n\u00a0\u00a0\u00a0 } else if (event.getSource() == button2) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 updateLayout(400, 300);\r\n\u00a0\u00a0\u00a0 } else if (event.getSource() == button3) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 updateLayout(500, 400);\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0 }\r\n\u00a0 \r\n\u00a0 private void updateLayout(int width, int height) {\r\n\u00a0\u00a0\u00a0 setSize(width, height);\r\n\u00a0\u00a0\u00a0 invalidate();\r\n\u00a0\u00a0\u00a0 validate();\r\n\u00a0 }\r\n}\r\n****************\/&gt;\r\nCloseableFrame.java.\r\n****************\/&gt;&lt;\r\nimport java.awt.*;\r\nimport java.awt.event.*;\r\n\r\n\/** A Frame that you can actually quit. Used as the starting \r\n\u00a0*\u00a0 point for most Java 1.1 graphical applications.\r\n\u00a0*\r\n\u00a0*********************\r\n\r\npublic class CloseableFrame extends Frame {\r\n\u00a0 public CloseableFrame(String title) {\r\n\u00a0\u00a0\u00a0 super(title);\r\n\u00a0\u00a0\u00a0 enableEvents(AWTEvent.WINDOW_EVENT_MASK);\r\n\u00a0 }\r\n\r\n\u00a0 \/** Since we are doing something permanent, we need\r\n\u00a0\u00a0 *\u00a0 to call super.processWindowEvent first.\r\n\u00a0\u00a0 *\/\r\n\u00a0 \r\n\u00a0 public void processWindowEvent(WindowEvent event) {\r\n\u00a0\u00a0\u00a0 super.processWindowEvent(event); \/\/ Handle listeners.\r\n\u00a0\u00a0\u00a0 if (event.getID() == WindowEvent.WINDOW_CLOSING) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ If the frame is used in an applet, use dispose().\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.exit(0);\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0 }\r\n}\r\n***************<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>***********************************\u00a0\u00a0 \u00a0 * ActionExample1.java Inherits from CloseableFrame.java and uses SetSizeButton.java. \u00a0\u00a0\u00a0 * ActionExample2.java Inherits from CloseableFrame.java. \u00a0\u00a0\u00a0 ********************************************************** ActionExample1.java ******************* import java.awt.*; public class ActionExample1 extends CloseableFrame { \u00a0 public static void main(String[] args) { \u00a0\u00a0\u00a0 new ActionExample1(); \u00a0 } \u00a0 public ActionExample1() { \u00a0\u00a0\u00a0 super(&#8220;Handling Events in Component&#8221;); \u00a0\u00a0\u00a0 setLayout(new FlowLayout()); \u00a0\u00a0\u00a0 setFont(new Font(&#8220;Serif&#8221;, &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=10345\">Continue reading<\/a><\/p>\n","protected":false},"author":130,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1417,1424],"tags":[706,308,285],"class_list":["post-10345","post","type-post","status-publish","format-standard","hentry","category-code-programming-samples--","category-javaj2eej2me","tag-code","tag-java","tag-285","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":27022,"url":"http:\/\/bangla.sitestree.com\/?p=27022","url_meta":{"origin":10345,"position":0},"title":"Handling Events #Programming Code Examples #Java\/J2EE\/J2ME #AWT Components","author":"Author-Check- Article-or-Video","date":"May 8, 2021","format":false,"excerpt":"*********************************** * ActionExample1.java Inherits from CloseableFrame.java and uses SetSizeButton.java. * ActionExample2.java Inherits from CloseableFrame.java. ********************************************************** ActionExample1.java ******************* import java.awt.*; public class ActionExample1 extends CloseableFrame { public static void main(String[] args) { new ActionExample1(); } public ActionExample1() { super(\"Handling Events in Component\"); setLayout(new FlowLayout()); setFont(new Font(\"Serif\", Font.BOLD, 18)); add(new SetSizeButton(300, 200));\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10363,"url":"http:\/\/bangla.sitestree.com\/?p=10363","url_meta":{"origin":10345,"position":1},"title":"ReverseLabels.java Inherits from CloseableFrame.java and uses ReversibleLabel.java.","author":"","date":"August 27, 2015","format":false,"excerpt":"ReverseLabels.java Inherits from CloseableFrame.java and uses ReversibleLabel.java. ********************** ReverseLabels.java ********************** import java.awt.*; ****************** public class ReverseLabels extends CloseableFrame { \u00a0 public static void main(String[] args) { \u00a0\u00a0\u00a0 new ReverseLabels(); \u00a0 } \u00a0 public ReverseLabels() { \u00a0\u00a0\u00a0 super(\"Reversible Labels\"); \u00a0\u00a0\u00a0 setLayout(new FlowLayout()); \u00a0\u00a0\u00a0 setBackground(Color.lightGray); \u00a0\u00a0\u00a0 setFont(new Font(\"Serif\", Font.BOLD, 18)); \u00a0\u00a0\u00a0 ReversibleLabel\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8","link":"http:\/\/bangla.sitestree.com\/?cat=1417"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":27050,"url":"http:\/\/bangla.sitestree.com\/?p=27050","url_meta":{"origin":10345,"position":2},"title":"ReverseLabels.java Inherits from CloseableFrame.java and uses ReversibleLabel.java. #Programming Code Examples #Java\/J2EE\/J2ME #AWT Components","author":"Author-Check- Article-or-Video","date":"May 9, 2021","format":false,"excerpt":"ReverseLabels.java Inherits from CloseableFrame.java and uses ReversibleLabel.java. ********************** ReverseLabels.java ********************** import java.awt.*; ****************** public class ReverseLabels extends CloseableFrame { public static void main(String[] args) { new ReverseLabels(); } public ReverseLabels() { super(\"Reversible Labels\"); setLayout(new FlowLayout()); setBackground(Color.lightGray); setFont(new Font(\"Serif\", Font.BOLD, 18)); ReversibleLabel label1 = new ReversibleLabel(\"Black on White\", Color.white, Color.black); add(label1);\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10357,"url":"http:\/\/bangla.sitestree.com\/?p=10357","url_meta":{"origin":10345,"position":3},"title":"Lists.java","author":"","date":"August 27, 2015","format":false,"excerpt":"Lists.java Inherits from CloseableFrame.java. \/.\/.\/.\/.\/.\/.\/.\/.\/.\/ import java.awt.*; \/*****************\/ public class Lists extends CloseableFrame { \u00a0 public static void main(String[] args) { \u00a0\u00a0\u00a0 new Lists(); \u00a0 } \u00a0 public Lists() { \u00a0\u00a0\u00a0 super(\"Lists\"); \u00a0\u00a0\u00a0 setLayout(new FlowLayout()); \u00a0\u00a0\u00a0 setBackground(Color.lightGray); \u00a0\u00a0\u00a0 setFont(new Font(\"SansSerif\", Font.BOLD, 18)); \u00a0\u00a0\u00a0 List list1 = new List(3, false); \u00a0\u00a0\u00a0\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8","link":"http:\/\/bangla.sitestree.com\/?cat=1417"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10286,"url":"http:\/\/bangla.sitestree.com\/?p=10286","url_meta":{"origin":10345,"position":4},"title":"Checkboxes","author":"","date":"August 26, 2015","format":false,"excerpt":"Checkboxes.java Inherits from CloseableFrame.java. ****************** import java.awt.*; \/.\/.\/.\/.\/.\/.\/.\/.\/.\/ public class Checkboxes extends CloseableFrame { \u00a0 public static void main(String[] args) { \u00a0\u00a0\u00a0 new Checkboxes(); \u00a0 } \u00a0 public Checkboxes() { \u00a0\u00a0\u00a0 super(\"Checkboxes\"); \u00a0\u00a0\u00a0 setFont(new Font(\"SansSerif\", Font.BOLD, 18)); \u00a0\u00a0\u00a0 setLayout(new GridLayout(0, 2)); \u00a0\u00a0\u00a0 Checkbox box; \u00a0\u00a0\u00a0 for(int i=0; i<12; i++) {\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8","link":"http:\/\/bangla.sitestree.com\/?cat=1417"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":27044,"url":"http:\/\/bangla.sitestree.com\/?p=27044","url_meta":{"origin":10345,"position":5},"title":"Lists.java #Programming Code Examples #Java\/J2EE\/J2ME #AWT Components","author":"Author-Check- Article-or-Video","date":"May 9, 2021","format":false,"excerpt":"Lists.java Inherits from CloseableFrame.java. \/.\/.\/.\/.\/.\/.\/.\/.\/.\/ import java.awt.*; \/*****************\/ public class Lists extends CloseableFrame { public static void main(String[] args) { new Lists(); } public Lists() { super(\"Lists\"); setLayout(new FlowLayout()); setBackground(Color.lightGray); setFont(new Font(\"SansSerif\", Font.BOLD, 18)); List list1 = new List(3, false); list1.add(\"Vanilla\"); list1.add(\"Chocolate\"); list1.add(\"Strawberry\"); add(list1); List list2 = new List(3, true);\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/130"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10345"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10345\/revisions"}],"predecessor-version":[{"id":10346,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10345\/revisions\/10346"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10345"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}